Uba
abbr. undenatured bacterial antigen 非变性的细菌抗原
🗣️ 情景例句
Don't fly off the handle.
不要这么冲动。
How much paint did you want to order?
你要订购多少油漆？
No, not yet.He's still here.He's going to move tomorrow.
不，还没有。他仍在这里。他打算明天搬家。